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Christopher Columbus found America while traveling through the ocean in a boat.
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Discoveries now are becoming published in books for people to use and research
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Zacharius put several lenses in a tube and made a very important discovery - the object near the end of the tube appeared to be greatly enlarged, much larger than any simple magnifying glass could achieve by itself.
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Zacharius invents something that will be used crucially by many people and is still very important to hosipitals and lab testing today.
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Blood cells we now know are a huge part of the body and very important and have many parts.
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Daniel Gabriel Fahrenheit was the German physicist who invented a alcohol thermometer in 1709, and the mercury thermometer in 1714.
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Thomas Jefferson presents the United States Declaration of Independence.
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The Treaty of Paris is signed by the United States and Great Britain.
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The first President of the US is elected and it is George Washington.
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Edward Jenner develops the process of vaccination for smallpox, the first vaccine for any disease.
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After creating the first stethoscope, he investigated the sounds made by the heart and lungs and determined that his diagnoses were supported by the observations made during autopsies.
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Finally we can hear peoples hearts beat in a easy way!
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People hoped this anesthtic would work
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Another type of anesthetic is experimented with
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The syringe is used a lot after the invention
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Finally we can start diagnosing problems and get to the bottom of diseases
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People who need glasses now have an alternative to wearing glasses
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William Roentgen accidently discovered the x-ray with his cathode ray generator. He practiced his first x-ray on his wife's hand and saw her wedding ring and her finger bones.
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Hope that the typhoid fever will not exist anymore
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Aspirin is a very important drug that was invented
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World War I was fought during the years 1914 to 1918, in which Great Britain, France, Russia, Belgium, Italy, Japan, the United States, and other allies defeated Germany, Austria-Hungary, Turkey, and Bulgaria.
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At that time a bandage consisted of separate gauze and adhesive tape that you would cut to size and apply yourself. Earle Dickson noticed that gauze and adhesive tape she used would soon fall off her active fingers. He decided to invent something that would stay in place and protect small wounds better.
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Vaccines such as this become very important in the world
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The Dust Bowl, or the Dirty Thirties, was a period of severe dust storms causing major ecological and agricultural damage to American and Canadian prairie lands from 1930 to 1936.
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The war was fought chiefly between two major alliances: the Axis and the Allies. The axis was Germany, Italy and Japan.
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By complete surprise, the Japanese high military command attacked the military base at Pearl Harbor, Hawaii, killing thousands, destroying hundreds of vessels, and propelling the United States into World War II.
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Discovery of antibiotics like this one become more important and useful
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The Cold War was a war between the united states and the soviet union.
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In his testing, he attempted to use radio frequency to restore body temperature, and made a discovery that was unexpected. He found that by using mechanical means the heart could be artificially started again after it was exposed to a cooling process. With this discovery, Hopps was able to build the first pacemaker in 1950.
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The Foley catheter is a rubber tube with a balloon tip named after it's inventor. After insertion into the bladder via the urethra, the tip is filled using a syringe with sterilized liquid or air, in order to keep the catheter in place. This type of catheter allows for continuous draining of the bladder, important during and after surgery.
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People can now live with a different heart if theirs fails them and surgery goes well, many lives saved!
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New "precise" way to take x-rays is invented
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Baby is born that was created when the eggs and sperm were united in a petri dish then put back into the mother, people were stunned!
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Meningitis can now be prevented
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Huge event in medical history!
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Fingerprints can now be traced to ancestor's fingerprints
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Kidney dialysis takes the blood from the body and removes impurities.
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Medical machines become very useful
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The world of cloning begins!
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Forty - Fourth President of the US is BarackObama.
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Transfusions become a hope!
